SageGrouseCoreAreasVersion4

Version 1 - 03.17.08: Sage-Grouse (sg) Core Areas as defined by the Governor's Sage Grouse Implementation Team (SGIT) on 3.17.08 in Lander, WY. Polygons were drawn on a paper map using a sage-grouse breeding density background that was created using Dr. Kevin Doherty's kernel lek density method. At the SGIT meeting, industry, NGOs, and various governmental organizations used pooled knowledge to draw polygons to protect sg breeding habitat. Version 2 - 08.07.08: Everything from version 1 except the redrawing of East Buffalo core area in the BLM Buffalo field office to match up with PLSS lines and better reflect the local conditions identified in an EIS. These changes were approved by the Governor's Office. Version 3 - 06.29.10: These core areas took the versions 2 core area concept further and refined the boundaries based on local conditions and more up-to-date threats to sage-grouse habitat. Each of the eight Local Working Groups (LWGs) met at least once and used core area scale maps (~1:90,000), local knowledge and known seasonal habitat use (winter and brood-rearing) to make recommended edge adjustments to the core area boundaries. The data available included: NAIP 2009 imagery to access the habitat and topography, oil/gas development, mining permit boundaries, permitted wind development, leks, and baseline data (roads, counties, etc.) The LWG's also had sagebrush habitat maps, WGFD Wildlife Observation System data, human footprint data, updated sage-grouse breeding density, and other supplemental datasets to make their decisions. The SGIT reviewed the recommendations by the LWGs and all the available data and finalized the boundary lines. Two connectivity corridors to Montana were also identified by the SGIT in consultation with the Northeast LWG. The final map, version 3 core areas, was presented and approved by the governor on 6/29/10. Version 4 - 07.29.15: Similar process as the version 2 to version 3 revision. The best available science and data was used to refine the core area edges to include new leks, dense population areas, and associated habitats while excluding known conflicts. The data available included: NAIP 2012 imagery to access the habitat and topography, oil/gas development, oil/gas unit boundaries, mining permit boundaries, EIS boundaries, transmission corridors, land ownership, permitted wind development, leks, updated sage-grouse current range, statewide existing disturbance data from the Density Disturbance Calculation Tool (DDCT), baseline data (roads, counties, etc.), sagebrush habitat maps, WGFD Wildlife Observation System data, research locations from Chapter 33 permits issued by WGFD, updated sage-grouse breeding density polygons from Dr. Kevin Doherty, and other supplemental datasets to make their decisions. Each of the 8 LWG's examined the core area boundaries in their area and heard proposals from NGO's, government agencies, private land owners, and industry to modify the version 3 core area boundaries. The LWG recommendations were passed along to the mapping subgroup of the SGIT. The mapping subgroup held public meetings where the original proposals were reviewed and new proposals to modify the core area boundaries were considered. The mapping sub group presented its findings to the SGIT along with the original LWG suggestions. All options and suggestions were weighed by the SGIT and they made formal recommendations to Governor Matt Mead who decided on the final core area version 4 boundaries. In addition to the core areas and connectivity areas, winter concentration areas (separate file) were also delineated. These polygons, located in western Wyoming, delineate a large portion of winter birds not covered by core area designation. Proposals were received to adjust the connectivity boundaries but the SGIT passed recommendations along to the Governor to leave these boundaries unchanged from version 3 to 4. Governor Mead accepted these recommendations.版本1 — 2008年3月17日：本数据集为怀俄明州兰德市2008年3月17日由州长艾草松鸡实施团队（Governor's Sage Grouse Implementation Team, SGIT）划定的艾草松鸡（Sage-Grouse）核心栖息地范围。其多边形边界基于凯文·多赫蒂博士的核密度求偶场法生成的艾草松鸡繁殖密度背景图层，在纸质地图上手绘绘制而成。在SGIT会议上，行业机构、非政府组织及各类政府单位依托汇集的专业知识绘制多边形，以保护艾草松鸡繁殖栖息地。 版本2 — 2008年8月7日：本数据集包含版本1的全部内容，仅调整了美国土地管理局（Bureau of Land Management, BLM）野牛野外办事处辖区内的东野牛核心栖息地边界，使其与公共土地测量系统（Public Land Survey System, PLSS）界线匹配，并更好地契合环境影响报告书（Environmental Impact Statement, EIS）中明确的当地实际情况。上述调整已获得州长办公室批准。 版本3 — 2010年6月29日：本数据集在版本2核心栖息地概念的基础上进一步优化，结合当地实际情况与最新识别的艾草松鸡栖息地威胁因素细化了边界范围。8个地方工作组（Local Working Groups, LWGs）均至少召开1次会议，依托比例尺约为1:90000的核心栖息地地图、当地专业知识及已知的季节栖息地利用数据（越冬与育雏期栖息地利用数据），对核心栖息地边界提出边缘调整建议。本次决策参考的可用数据包括：2009年美国农业部农业航空影像计划（National Agriculture Imagery Program, NAIP）影像（用于评估栖息地与地形）、油气开发项目、采矿许可边界、获批风电开发项目、求偶场点位，以及基础数据（道路、县域区划等）。此外，地方工作组还参考了艾草灌丛栖息地地图、怀俄明州鱼类和野生动物部门（Wyoming Game and Fish Department, WGFD）野生动物观测系统数据、人类活动足迹数据、最新艾草松鸡繁殖密度图层，及其他补充数据集以完成决策。SGIT对地方工作组的建议与所有可用数据进行评审后，最终确定了边界范围。SGIT还与东北地方工作组协商，划定了两条通往蒙大拿州的连通廊道。最终的版本3核心栖息地地图于2010年6月29日由州长审定并批准。 版本4 — 2015年7月29日：本数据集的修订流程与版本2至版本3的修订流程一致。依托最新可用科学研究与数据，对核心栖息地边界进行细化，新增了新发现的求偶场、高密度种群区域及相关栖息地，并排除了已知的冲突区域。本次决策参考的可用数据包括：2012年NAIP影像（用于评估栖息地与地形）、油气开发项目、油气区块边界、采矿许可边界、EIS边界、输电廊道、土地权属、获批风电开发项目、求偶场点位、最新艾草松鸡当前分布范围、由密度扰动计算工具（Density Disturbance Calculation Tool, DDCT）生成的全州现有扰动数据、基础数据（道路、县域区划等）、艾草灌丛栖息地地图、WGFD野生动物观测系统数据、WGFD颁发的第33章许可对应的研究点位、凯文·多赫蒂博士更新的艾草松鸡繁殖密度多边形图层，及其他补充数据集。8个地方工作组分别对辖区内的核心栖息地边界进行审查，并听取了非政府组织、政府机构、私人土地所有者与行业机构提出的修改版本3核心栖息地边界的提案。地方工作组的建议被提交至SGIT的制图子工作组。制图子工作组召开公众会议，对原始提案进行审议，并考虑了修改核心栖息地边界的新提案。制图子工作组将其评审结果与地方工作组的原始建议一并提交至SGIT。SGIT对所有方案与建议进行权衡后，向州长马特·米德提交正式建议，最终由州长确定版本4的核心栖息地边界。除核心栖息地与连通廊道外，本次还划定了冬季聚集区（单独文件）。这些位于怀俄明州西部的多边形范围覆盖了未被核心栖息地覆盖的大部分越冬艾草松鸡种群。曾有提案提出调整连通廊道边界，但SGIT向州长提交建议，维持版本3至版本4的连通廊道边界不变，该建议已被州长米德采纳。